Structure 10061 · Alamance County, NC

Sr1921 over Back Creek

Carries Sr1921 over Back Creek, 0.4 Mi. E. Jct. Sr1927.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT143 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

143 ft end to end, longest span 47 ft. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built199036 years old
Length142.7 ft43.5 m
Daily traffic4,300counted 2019
Last inspectedOctober 2024every 24 months

Location

StateNorth Carolina
CountyAlamance
Location0.4 Mi. E. Jct. Sr1927
CarriesSr1921
CrossesBack Creek
Coordinates36.11614, -79.30813

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length142.7 ft (43.5 m)
Max Span46.9 ft (14.3 m)
Deck Width32.8 ft (10 m)
Deck Area435 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic4,300 (2019)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000010061

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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